81517700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{6737}}^1$

素因数の和:6773

約数の個数: 54

約数和(自身を含む): 194465418

約数和(自身を除く): 112947718

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 6737, 12100, 13474, 26948, 33685, 67370, 74107, 134740, 148214, 168425, 296428, 336850, 370535, 673700, 741070, 815177, 1482140, 1630354, 1852675, 3260708, 3705350, 4075885, 7410700, 8151770, 16303540, 20379425, 40758850, 81517700]

約数ペア:

[(1, 81517700), (2, 40758850), (4, 20379425), (5, 16303540), (10, 8151770), (11, 7410700), (20, 4075885), (22, 3705350), (25, 3260708), (44, 1852675), (50, 1630354), (55, 1482140), (100, 815177), (110, 741070), (121, 673700), (220, 370535), (242, 336850), (275, 296428), (484, 168425), (550, 148214), (605, 134740), (1100, 74107), (1210, 67370), (2420, 33685), (3025, 26948), (6050, 13474), (6737, 12100)]